Active Listings
116
⇩ 17.7% vs 141 last year
Data as of March 2026. Source: Realtor.com.
The O FALLON, MO real estate market (63366) currently shows 116 active listings, with 63 pending sales. Homes are averaging 26 days on the market before going under contract.
Inventory has tightened compared to last year, with 25 fewer active listings — creating more competition among buyers.
Homes are selling faster, averaging 26 days on market compared to 33 days last year.
The median listing price has risen 9.1% year-over-year, from $389,500 to $425,000.
Whether you are buying or selling in O FALLON, MO, SELL123.com can help you save significantly on commission — typically 2% compared to traditional 5% broker fees. Call (240) SELL-123 for a free consultation.
Population: 52,746 · Density: 293.9/mi² · Median household income: $91,698
Typical home value: $262,117 · Homeownership: 80.9%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 63366 | O'Fallon, MO 63366 | 0.0 mi | 91 | $38,996,958 | $407,500 | $428,538 |
| 63376 | Saint Peters, MO 63376 | 6.9 mi | 143 | $48,325,563 | $334,900 | $337,941 |
| 63368 | O'Fallon, MO 63368 | 7.5 mi | 132 | $64,754,052 | $491,850 | $490,561 |
| 63385 | Wentzville, MO 63385 | 8.5 mi | 307 | $159,208,358 | $427,413 | $518,594 |
| 63362 | Moscow Mills, MO 63362 | 10.1 mi | 48 | $16,711,968 | $327,065 | $348,166 |
| 62013 | Brussels, IL 62013 | 11.0 mi | 1 | $160,000 | $160,000 | $160,000 |
| 63348 | Foristell, MO 63348 | 12.9 mi | 93 | $53,200,185 | $425,000 | $572,045 |
| 63301 | Saint Charles, MO 63301 | 13.3 mi | 131 | $53,838,118 | $399,900 | $410,978 |
| 63347 | Foley, MO 63347 | 14.8 mi | 2 | $789,800 | $394,900 | $394,900 |
| 63044 | Bridgeton, MO 63044 | 16.8 mi | 19 | $3,994,123 | $244,950 | $210,217 |
| 62037 | Grafton, IL 62037 | 17.1 mi | 12 | $6,719,172 | $349,000 | $559,931 |
| 63017 | Chesterfield, MO 63017 | 17.4 mi | 111 | $68,511,975 | $619,225 | $617,225 |
| 63390 | Wright City, MO 63390 | 17.7 mi | 74 | $42,724,788 | $349,950 | $577,362 |
As of March 2026, there are 116 active listings in O FALLON, MO (zip code 63366), compared to 141 the prior year.
The median listing price in O FALLON, MO 63366 is $425,000 as of March 2026, a 9.1% increase from $389,500 the prior year.
Homes in O FALLON, MO 63366 spend an average of 26 days on the market before going under contract, compared to 33 days the prior year.
Based on current inventory and days-on-market data as of March 2026, O FALLON, MO 63366 is currently a Seller's Market. Inventory has tightened compared to last year, with 25 fewer active listings — creating more competition among buyers. Homes are selling faster, averaging 26 days on market compared to 33 days last year.
With SELL123.com's maximum 3% commission, sellers in O FALLON, MO 63366 save an estimated $8,500 compared to a typical 5% commission on the median listing price of $425,000. Our fee structure: 1% listing + 2% selling broker — no additional buyer or seller fees. Call (240) SELL-123 or email info@SELL123.com for a free consultation.